eCCTVandsecurity

Hello im having problems with a samsung SCC-641N I have fixed it about 10 times now this time it was doing the motions of when it first turns on and powers up but usualy there is a check list on the screen this time it was just the movements and it kept doing it over and over then the video feed fuzzed in and out a few times and then it died and now i can not get the camera to turn on it is very fustrating and annoying please help im desperate